/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.netbeans.modules.xml.schema.model.impl;

import org.netbeans.modules.xml.schema.model.AttributeReference;
import org.netbeans.modules.xml.schema.model.GlobalAttribute;
import org.netbeans.modules.xml.schema.model.SchemaComponent;
import org.netbeans.modules.xml.schema.model.visitor.SchemaVisitor;
import org.netbeans.modules.xml.xam.dom.NamedComponentReference;
import org.w3c.dom.Element;

/**
 * @author Chris Webster
 */
public class AttributeReferenceImpl extends LocalAttributeBaseImpl
	implements AttributeReference {

    /**
     *
     */
    public AttributeReferenceImpl(SchemaModelImpl model) {
	super(model,createNewComponent(SchemaElements.ATTRIBUTE, model));
    }
    
    /**
     *
     */
    public AttributeReferenceImpl(SchemaModelImpl model, Element e) {
	super(model,e);
    }
    
    /**
     *
     *
     */
    public Class<? extends SchemaComponent> getComponentType() {
	return AttributeReference.class;
    }
    
    public void accept(SchemaVisitor visitor) {
	visitor.visit(this);
    }

    @Override
    public String toString() {
        NamedComponentReference<GlobalAttribute> gAttrRef = this.getRef();
        if (gAttrRef != null) {
            GlobalAttribute gAttr = gAttrRef.get();
            if (gAttr != null) {
                String name = gAttr.getName();
                return "-> " + name; // NOI18N
            }
        }
        return null;
    }
}
